<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>左划出现删除按钮，右滑隐藏</title>
<script type="text/javascript" src="../lib/jquery/jquery-1.11.0.min.js"></script>
<script type="text/javascript">
$(document).ready(function(e) {
    // 设定每一行的宽度=屏幕宽度+按钮宽度
    $(".line-scroll-wrapper").width($(".line-wrapper").width() + $(".line-btn-delete").width());
    // 设定常规信息区域宽度=屏幕宽度
    $(".line-normal-wrapper").width($(".line-wrapper").width());
    // 设定文字部分宽度（为了实现文字过长时在末尾显示...）
    $(".line-normal-msg").width($(".line-normal-wrapper").width() - 280);

    // 获取所有行，对每一行设置监听
    var lines = $(".line-normal-wrapper");
    var len = lines.length; 
    var lastX, lastXForMobile;

    // 用于记录被按下的对象
    var pressedObj;  // 当前左滑的对象
    var lastLeftObj; // 上一个左滑的对象

    // 用于记录按下的点
    var start;

    // 网页在移动端运行时的监听
    for (var i = 0; i < len; ++i) {
        lines[i].addEventListener('touchstart', function(e){
            lastXForMobile = e.changedTouches[0].pageX;
            pressedObj = this; // 记录被按下的对象 

            // 记录开始按下时的点
            var touches = event.touches[0];
            start = { 
                x: touches.pageX, // 横坐标
                y: touches.pageY  // 纵坐标
            };
        });

        lines[i].addEventListener('touchmove',function(e){
            // 计算划动过程中x和y的变化量
            var touches = event.touches[0];
            delta = {
                x: touches.pageX - start.x,
                y: touches.pageY - start.y
            };

            // 横向位移大于纵向位移，阻止纵向滚动
            if (Math.abs(delta.x) > Math.abs(delta.y)) {
                event.preventDefault();
            }
        });

        lines[i].addEventListener('touchend', function(e){
            if (lastLeftObj && pressedObj != lastLeftObj) { // 点击除当前左滑对象之外的任意其他位置
                $(lastLeftObj).animate({marginLeft:"0"}, 500); // 右滑
                lastLeftObj = null; // 清空上一个左滑的对象
            }
            var diffX = e.changedTouches[0].pageX - lastXForMobile;
            if (diffX < -150) {
                $(pressedObj).animate({marginLeft:"-132px"}, 500); // 左滑
                lastLeftObj && lastLeftObj != pressedObj && 
                    $(lastLeftObj).animate({marginLeft:"0"}, 500); // 已经左滑状态的按钮右滑
                lastLeftObj = pressedObj; // 记录上一个左滑的对象
            } else if (diffX > 150) {
              if (pressedObj == lastLeftObj) {
                $(pressedObj).animate({marginLeft:"0"}, 500); // 右滑
                lastLeftObj = null; // 清空上一个左滑的对象
              }
            }
        });
    }

    // 网页在PC浏览器中运行时的监听
    for (var i = 0; i < len; ++i) {
        $(lines[i]).bind('mousedown', function(e){
            lastX = e.clientX;
            pressedObj = this; // 记录被按下的对象
        });

        $(lines[i]).bind('mouseup', function(e){
            if (lastLeftObj && pressedObj != lastLeftObj) { // 点击除当前左滑对象之外的任意其他位置
                $(lastLeftObj).animate({marginLeft:"0"}, 500); // 右滑
                lastLeftObj = null; // 清空上一个左滑的对象
            }
            var diffX = e.clientX - lastX;
            if (diffX < -150) {
                $(pressedObj).animate({marginLeft:"-132px"}, 500); // 左滑
                lastLeftObj && lastLeftObj != pressedObj && 
                    $(lastLeftObj).animate({marginLeft:"0"}, 500); // 已经左滑状态的按钮右滑
                lastLeftObj = pressedObj; // 记录上一个左滑的对象
            } else if (diffX > 150) {
              if (pressedObj == lastLeftObj) {
                $(pressedObj).animate({marginLeft:"0"}, 500); // 右滑
                lastLeftObj = null; // 清空上一个左滑的对象
              }
            }
        });
    }
});
</script>
<style type="text/css">
* { margin: 0; padding: 0; }
.line-wrapper { width: 100%; height: 144px; overflow: hidden; font-size: 28px; border-bottom: 1px solid #aaa; }
.line-scroll-wrapper { white-space: nowrap; height: 144px; clear: both; }
.line-btn-delete { float: left; width: 70px; height: 144px; }
.line-btn-delete button { width: 100%; height: 100%; background: red; border: none; font-size: 24px; font-family: 'Microsoft Yahei'; color: #fff; }
.line-normal-wrapper { display: inline-block; line-height: 100px; float: left; padding-top: 10px; padding-bottom: 10px; }
.line-normal-icon-wrapper { float: right; width: 120px; height: 120px; margin-right: 12px; }
.line-normal-icon-wrapper img { width: 120px; height: 120px; }
.line-normal-avatar-wrapper { width: 100px; height: 124px; float: left; margin-left: 12px; }
.line-normal-avatar-wrapper img { width: 110px; height: 110px;  }
.line-normal-left-wrapper { float: left; overflow: hidden; }
.line-normal-info-wrapper { float: left; margin-left: 10px; }
.line-normal-name { height: 28px; line-height: 28px; color: #4e4e4e; margin-top: 7px; }
.line-normal-price { height: 28px; line-height: 28px; overflow:hidden; text-overflow:ellipsis; color: #4e4e4e; margin-top: 11px; }
.line-normal-num { height: 28px; line-height: 28px; color: #999; margin-top: 11px; }
</style>
</head>
<body>
<div class="line-wrapper">
  <div class="line-scroll-wrapper">
    <div class="line-normal-wrapper">
      <div class="line-normal-left-wrapper">
        <div class="line-normal-avatar-wrapper"><img src="../img/1.JPG" /></div>
        <div class="line-normal-info-wrapper">
          <div class="line-normal-name">玫瑰花茶</div>
          <div class="line-normal-price">￥50.00</div>
          <div class="line-normal-num"><span>库存:2345</span>
                            <span>销量:1456666</span></div>
        </div>
      </div>
      <!-- <div class="line-normal-icon-wrapper"><img src="5.jpg"/></div> -->
    </div>
    <div class="line-btn-delete"><button>删除</button></div>
  </div>
</div>

<div class="line-wrapper">
  <div class="line-scroll-wrapper">
    <div class="line-normal-wrapper">
      <div class="line-normal-left-wrapper">
        <div class="line-normal-avatar-wrapper"><img src="../img/2.jpg" /></div>
        <div class="line-normal-info-wrapper">
          <div class="line-normal-name">小黄人</div>
          <div class="line-normal-price">$89.00</div>
          <div class="line-normal-num"><span>库存:2345</span>
                            <span>销量:1456666</span></div>
        </div>
      </div>
      <!-- <div class="line-normal-icon-wrapper"><img src="8.jpg"/></div> -->
    </div>
    <div class="line-btn-delete"><button>删除</button></div>
  </div>
</div>
</body>
</html>